/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jena.riot.lang;

import static org.junit.jupiter.api.Assertions.assertEquals;

import java.util.ArrayList;
import java.util.List;

import org.junit.jupiter.api.Test;

import org.apache.jena.graph.NodeFactory;
import org.apache.jena.graph.Triple;
import org.apache.jena.riot.system.StreamRDF;
import org.apache.jena.sparql.core.Quad;
import org.apache.jena.sparql.util.NodeFactoryExtra;

public class TestCollectorStream {

    private List<Triple> writeTriples(StreamRDF out, int size) {
        List<Triple> results = new ArrayList<>();
        out.start();
        for ( int i = 1; i <= size; i++ ) {
            Triple t = Triple.create(NodeFactory.createBlankNode(), NodeFactory.createURI("http://predicate"), NodeFactoryExtra.intToNode(i));
            out.triple(t);
            results.add(t);
        }
        out.finish();
        return results;
    }

    @Test
    public void test_streamed_triples() {
        CollectorStreamRDF out = new CollectorStreamRDF();
        List<Triple> expected = writeTriples(out, 10);
        assertEquals(expected, out.getTriples());
    }

    private List<Quad> writeQuads(StreamRDF out, int size) {
        List<Quad> results = new ArrayList<>();
        out.start();
        for ( int i = 1; i <= size; i++ ) {
            Quad q = new Quad(NodeFactory.createURI("http://graph"), NodeFactory.createBlankNode(),
                              NodeFactory.createURI("http://predicate"), NodeFactoryExtra.intToNode(i));
            out.quad(q);
            results.add(q);
        }
        out.finish();
        return results;
    }

    @Test
    public void test_streamed_quads() {
        CollectorStreamRDF out = new CollectorStreamRDF();
        List<Quad> expected = writeQuads(out, 10);
        assertEquals(expected, out.getQuads());
    }
}
